Finding the Fourth Proportional to 785,574,854.16, 1,178,319,566.52 and 240,316,388.16
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Solution
The fourth proportional to 785,574,854.16, 1,178,319,566.52 and 240,316,388.16 is: 360,461,515.32
Step by Step Solution
- Step 1: Write the proportion equation
785,574,854.16 : 1,178,319,566.52 = 240,316,388.16 : x - Step 2: Convert to fraction form
785,574,854.16/1,178,319,566.52 = 240,316,388.16/x - Step 3: Cross multiply
785,574,854.16x = 1,178,319,566.52 × 240,316,388.16 - Step 4: Simplify right side
785,574,854.16x = 283,169,502,324,343,264 - Step 5: Solve for x
x = 283,169,502,324,343,264/785,574,854.16 - Step 6: Final answer
x = 360,461,515.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.